From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A588C468BD for ; Fri, 7 Jun 2019 17:54:36 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E548E208C0 for ; Fri, 7 Jun 2019 17:54:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Dt/3clZ9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E548E208C0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49924 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZJ4V-000203-7g for qemu-devel@archiver.kernel.org; Fri, 07 Jun 2019 13:54:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56355) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZH3M-0006PS-PB for qemu-devel@nongnu.org; Fri, 07 Jun 2019 11:45:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hZH3F-0003lE-Fr for qemu-devel@nongnu.org; Fri, 07 Jun 2019 11:45:12 -0400 Received: from mail-ot1-x341.google.com ([2607:f8b0:4864:20::341]:42286) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hZH3C-0002km-PS for qemu-devel@nongnu.org; Fri, 07 Jun 2019 11:45:08 -0400 Received: by mail-ot1-x341.google.com with SMTP id l15so2252868otn.9 for ; Fri, 07 Jun 2019 08:44:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=+dqWPXmpKRFmoyF1BYy25lbKYWxiwuoMRvLxXce39rc=; b=Dt/3clZ9jITEUL8YvGMxs39I7G8cWmEz6dDyM/UwTycyu0C383wrYQvAm3kyxtid5S 0dmKMCDqs7GcV3Xn1EgXhRp5ovV9qzCR0lTzE/C4I89dt1f8+gT1Rno3O1eOWtdfIegf T9XX4dG/9Bk9rgiLcxoOWm3YP6oF5QFCgiBTfF4YJIeYzPTH6aowScEqCcipCAlmh38W mJIf5VDBbwNpvtR0OVwiwBuacPTZ7H28quX7gkfLLe1sGvbEDROfhkVm2t3CISy6MrOQ 69468tRixucc4NGps5LHqkEr5va7nKxotY9qAQ3sYd8DSTwHNoHDUz0HA13cXKzZuUj8 5hYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=+dqWPXmpKRFmoyF1BYy25lbKYWxiwuoMRvLxXce39rc=; b=Cy7m9MNcp6cX2juYUH89KBaBhQtCdDBHDTvNJoww913CMH0w1BCTyV7wQosLbHAaSk x3qOg0hL96vwksT6q9Tr2Uu3a2105FoNSNs2z22okhzzb7DK0yUZX5FMeX75qxZ8ATJj n1cuoaKae91OvHrI7Iz1k/uMWnEKfUB556BUVhyexIEMHmtUDjiiDvA2XYobofDCc1vi b0H4sMRmPSj3QzU/9ZiVY4XVztgc0weGB1nMfkDxbsYxMyvExur2WQV0LzLNttIlSx9P P2u47gNhbv/xqyAcGA7WaYSu1JwrAEM8ePB5gPupMe7hd8InisVr4erWyERNP/a4ubOn 3qeQ== X-Gm-Message-State: APjAAAUB0vrlka8VWbR2NQYw45S/a1P1aG5+6rsCuCfMbGPJJI5NL/7i YyUGLmoqIfLigBQHe7QGmITNWSRl8PHf8H4KWoPWaA== X-Google-Smtp-Source: APXvYqyHngtF2zxBXIcLyrHD3XO//gYIzenwhOa+Q8fEAXV6AcY2O+at8CVFzee4s8Rwtthbi+xx55tvX6RtyQcDEQM= X-Received: by 2002:a9d:711e:: with SMTP id n30mr1978361otj.97.1559922270221; Fri, 07 Jun 2019 08:44:30 -0700 (PDT) MIME-Version: 1.0 References: <20190603232209.20704-1-richard.henderson@linaro.org> <0a55f185-fb9f-335f-2342-9c214706a4d1@linaro.org> In-Reply-To: <0a55f185-fb9f-335f-2342-9c214706a4d1@linaro.org> From: Peter Maydell Date: Fri, 7 Jun 2019 16:44:18 +0100 Message-ID: To: Richard Henderson Content-Type: text/plain; charset="UTF-8" X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::341 Subject: Re: [Qemu-devel] [PATCH v2] target/arm: Vectorize USHL and SSHL X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Fri, 7 Jun 2019 at 16:40, Richard Henderson wrote: > > On 6/7/19 9:54 AM, Peter Maydell wrote: > > On Tue, 4 Jun 2019 at 00:22, Richard Henderson > > wrote: > >> > >> These instructions shift left or right depending on the sign > >> of the input, and 7 bits are significant to the shift. This > >> requires several masks and selects in addition to the actual > >> shifts to form the complete answer. > >> > >> That said, the operation is still a small improvement even for > >> two 64-bit elements -- 13 vector operations instead of 2 * 7 > >> integer operations. > >> > >> Signed-off-by: Richard Henderson > >> --- > > > > Applied to target-arm.next, thanks. > > > > NB: in v1 this series had a second patch. I'm assuming you > > dropped it deliberately -- if not, let me know. > > Oops, no. Can you please grab it with your r-b from v1? Sure. -- PMM